Table 1: Virological properties of vectors.

Modified Vectors Viral Particles (VP) Infectious Particles (IP) VP/IP
Ad5 3.1 x 1012 VP/ml 1.0 x 1011 IP/ml 31
Ad3 2.0 x 1012VP/ml 2.0 x 109IP/ml 1000
Ad5H3 7.3 x 1011VP/ml 2.8 x 109IP/ml 260.7
Ad5H3-HVR2-His 7.5 x1011 VP/ml 1.4 x1010 IP/ml 53.6